Velocity and spectrum of the supernova remnant 30 DOR B

Details Velocity and spectrum of the supernova remnant 30 DOR B Velocity and spectrum of the supernova remnant 30 DOR B

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..927g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Mar. 1983, p. 927-934.

Astronomy and Astrophysics

Astronomy

11

Emission Spectra, Magellanic Clouds, Radial Velocity, Spectrum Analysis, Stellar Spectra, Supernova Remnants, Chemical Composition, Crab Nebula, H Beta Line, H Ii Regions, Hydrogen Recombinations, Interstellar Matter

Scientific paper

The authors present an analysis of the spectrum of the supernova remnant 30 Doradus B (N175 B), within the 30 Dor B H II region in the Large Magellanic Cloud. The data yield a velocity dispersion estimate (⪆630 km s-1) and the size of the remnant (rshock ≤ 30 arcsec ≡ 7 pc). The remnant properties suggest that the supernova outburst energy was E0, such that E0/nH ⪉ 3×1050 erg cm3. Since nH ≡ 40 cm-3 in the surrounding medium, the outburst energy E0 ⪉ 2×1052 erg. A Type II classification accords with its association with Population I. In its radio and X-ray properties 30 Dor B resembles the Crab Nebula, but continuum emission from 30 Dor B correlates with Hβ emission and is probably from two-photon hydrogen recombination.

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